./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:07:01,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:07:01,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:07:01,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:07:01,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:07:01,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:07:01,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:07:01,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:07:02,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:07:02,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:07:02,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:07:02,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:07:02,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:07:02,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:07:02,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:07:02,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:07:02,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:07:02,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:07:02,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:07:02,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:07:02,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:07:02,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:07:02,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:07:02,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:07:02,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:07:02,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:07:02,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:07:02,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:07:02,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:07:02,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:07:02,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:07:02,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:07:02,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:07:02,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:07:02,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:07:02,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:07:02,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:07:02,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:07:02,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:07:02,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:07:02,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:07:02,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:07:02,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:07:02,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:07:02,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:07:02,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:07:02,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:07:02,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:07:02,072 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:07:02,072 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:07:02,073 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:07:02,073 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:07:02,073 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:07:02,073 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:07:02,074 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:07:02,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:07:02,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:07:02,075 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:07:02,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:07:02,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:07:02,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:07:02,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:07:02,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:07:02,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:07:02,076 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:07:02,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:07:02,077 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:07:02,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:07:02,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:07:02,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:07:02,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:07:02,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:07:02,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:07:02,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:07:02,080 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:07:02,080 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 [2021-10-28 09:07:02,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:07:02,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:07:02,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:07:02,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:07:02,369 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:07:02,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-10-28 09:07:02,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/data/35474ed4f/d9f5722b091f40d2a3300676551f233c/FLAG00be69a86 [2021-10-28 09:07:02,886 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:07:02,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-10-28 09:07:02,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/data/35474ed4f/d9f5722b091f40d2a3300676551f233c/FLAG00be69a86 [2021-10-28 09:07:03,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/data/35474ed4f/d9f5722b091f40d2a3300676551f233c [2021-10-28 09:07:03,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:07:03,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:07:03,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:03,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:07:03,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:07:03,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d600a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03, skipping insertion in model container [2021-10-28 09:07:03,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:07:03,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:07:03,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-10-28 09:07:03,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:03,535 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:07:03,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-10-28 09:07:03,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:03,572 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:07:03,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03 WrapperNode [2021-10-28 09:07:03,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:03,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:03,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:07:03,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:07:03,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:03,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:07:03,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:07:03,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:07:03,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:07:03,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:07:03,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:07:03,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:07:03,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (1/1) ... [2021-10-28 09:07:03,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:03,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:03,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:03,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:07:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:07:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:07:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:07:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:07:04,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:07:04,132 INFO L299 CfgBuilder]: Removed 42 assume(true) statements. [2021-10-28 09:07:04,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:04 BoogieIcfgContainer [2021-10-28 09:07:04,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:07:04,135 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:07:04,135 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:07:04,139 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:07:04,139 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:04,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:07:03" (1/3) ... [2021-10-28 09:07:04,140 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e0cdb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:07:04, skipping insertion in model container [2021-10-28 09:07:04,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:04,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:03" (2/3) ... [2021-10-28 09:07:04,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e0cdb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:07:04, skipping insertion in model container [2021-10-28 09:07:04,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:04,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:04" (3/3) ... [2021-10-28 09:07:04,143 INFO L389 chiAutomizerObserver]: Analyzing ICFG apache-escape-absolute.i [2021-10-28 09:07:04,182 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:07:04,183 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:07:04,183 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:07:04,183 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:07:04,183 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:07:04,183 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:07:04,183 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:07:04,184 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:07:04,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 69 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:04,227 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 27 [2021-10-28 09:07:04,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:04,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:04,235 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:04,235 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:07:04,236 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:07:04,237 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 69 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:04,254 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 27 [2021-10-28 09:07:04,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:04,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:04,256 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:04,257 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:07:04,265 INFO L791 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 43#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~pre8, main_#t~pre9, main_#t~nondet10, main_#t~nondet11, main_#t~pre12, main_#t~pre13, main_~scheme~0, main_~urilen~0, main_~tokenlen~0, main_~cp~0, main_~c~0;havoc main_~scheme~0;havoc main_~urilen~0;havoc main_~tokenlen~0;havoc main_~cp~0;havoc main_~c~0;main_~urilen~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~tokenlen~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~scheme~0 := main_#t~nondet5;havoc main_#t~nondet5; 25#L32true assume !!(main_~urilen~0 <= 1000000 && main_~urilen~0 >= -1000000); 24#L33true assume !!(main_~tokenlen~0 <= 1000000 && main_~tokenlen~0 >= -1000000); 33#L34true assume !!(main_~scheme~0 <= 1000000 && main_~scheme~0 >= -1000000); 53#L35true assume main_~urilen~0 > 0; 45#L35-1true assume main_~tokenlen~0 > 0; 59#L36true assume main_~scheme~0 >= 0; 62#L37true assume !(0 == main_~scheme~0 || main_~urilen~0 - 1 < main_~scheme~0);main_~cp~0 := main_~scheme~0;__VERIFIER_assert_#in~cond := (if main_~cp~0 - 1 < main_~urilen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 30#L18true assume !(0 == __VERIFIER_assert_~cond); 49#L18-2true __VERIFIER_assert_#in~cond := (if 0 <= main_~cp~0 - 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 51#L18-3true assume !(0 == __VERIFIER_assert_~cond); 4#L18-5true assume 0 != main_#t~nondet6;havoc main_#t~nondet6;__VERIFIER_assert_#in~cond := (if main_~cp~0 < main_~urilen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 50#L18-6true assume !(0 == __VERIFIER_assert_~cond); 44#L18-8true __VERIFIER_assert_#in~cond := (if 0 <= main_~cp~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 64#L18-9true assume !(0 == __VERIFIER_assert_~cond); 66#L47-1true [2021-10-28 09:07:04,272 INFO L793 eck$LassoCheckResult]: Loop: 66#L47-1true assume !!(main_~cp~0 != main_~urilen~0 - 1); 19#L48true assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;__VERIFIER_assert_#in~cond := (if main_~cp~0 < main_~urilen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L18-12true assume !(0 == __VERIFIER_assert_~cond); 27#L18-14true __VERIFIER_assert_#in~cond := (if 0 <= main_~cp~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 22#L18-15true assume !(0 == __VERIFIER_assert_~cond); 34#L18-17true main_#t~pre8 := 1 + main_~cp~0;main_~cp~0 := 1 + main_~cp~0;havoc main_#t~pre8; 66#L47-1true [2021-10-28 09:07:04,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:04,283 INFO L85 PathProgramCache]: Analyzing trace with hash 642350381, now seen corresponding path program 1 times [2021-10-28 09:07:04,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:04,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710205935] [2021-10-28 09:07:04,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:04,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,442 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,520 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:04,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:04,525 INFO L85 PathProgramCache]: Analyzing trace with hash -739962356, now seen corresponding path program 1 times [2021-10-28 09:07:04,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:04,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641021618] [2021-10-28 09:07:04,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:04,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,540 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:04,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:04,555 INFO L85 PathProgramCache]: Analyzing trace with hash -504431048, now seen corresponding path program 1 times [2021-10-28 09:07:04,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:04,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643990111] [2021-10-28 09:07:04,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:04,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,586 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:04,799 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:04,799 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:04,800 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:04,800 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:04,800 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:07:04,800 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:04,800 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:04,815 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:04,816 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-escape-absolute.i_Iteration1_Loop [2021-10-28 09:07:04,816 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:04,816 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:04,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:04,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:04,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:04,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:04,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:04,977 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:07:04,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:04,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:04,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:04,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:04,990 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:05,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:07:05,021 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:05,022 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre8=0} Honda state: {ULTIMATE.start_main_#t~pre8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:05,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,059 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:07:05,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:05,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:05,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:05,092 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet7=0} Honda state: {ULTIMATE.start_main_#t~nondet7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:05,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,138 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:05,138 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:05,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:07:05,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:05,161 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:05,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:05,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:05,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:07:05,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,275 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:07:05,278 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:07:05,279 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:05,332 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:07:05,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,335 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:05,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:05,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:05,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:05,335 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:05,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:05,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:05,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-escape-absolute.i_Iteration1_Loop [2021-10-28 09:07:05,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:05,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:05,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:05,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:05,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:05,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:05,443 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:05,447 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:05,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,454 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:05,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:05,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:05,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:05,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:05,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:05,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:05,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:05,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:07:05,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:05,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,512 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:07:05,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:05,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:05,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:05,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:05,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:05,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:05,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:05,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:05,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:05,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,594 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:05,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:05,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:05,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:05,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:05,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:05,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:05,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:05,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:07:05,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:05,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,678 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:05,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:05,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:05,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:05,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:05,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:05,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:05,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:05,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:07:05,702 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:05,706 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:07:05,706 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:07:05,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:05,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,726 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:07:05,767 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:05,767 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:07:05,767 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:05,767 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~urilen~0, ULTIMATE.start_main_~cp~0) = 1*ULTIMATE.start_main_~urilen~0 - 1*ULTIMATE.start_main_~cp~0 Supporting invariants [] [2021-10-28 09:07:05,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:05,799 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:07:05,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:05,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:05,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:05,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:07:05,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:06,136 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:07:06,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 70 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 69 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:06,385 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 70 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 69 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 196 states and 271 transitions. Complement of second has 11 states. [2021-10-28 09:07:06,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:07:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 201 transitions. [2021-10-28 09:07:06,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 201 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-28 09:07:06,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:06,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 201 transitions. Stem has 22 letters. Loop has 6 letters. [2021-10-28 09:07:06,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:06,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 201 transitions. Stem has 16 letters. Loop has 12 letters. [2021-10-28 09:07:06,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:06,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 196 states and 271 transitions. [2021-10-28 09:07:06,411 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:07:06,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 196 states to 0 states and 0 transitions. [2021-10-28 09:07:06,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:07:06,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:07:06,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:07:06,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:06,416 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:07:06,416 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:07:06,416 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:07:06,418 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:07:06,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:07:06,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:07:06,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:07:06,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:07:06 BoogieIcfgContainer [2021-10-28 09:07:06,426 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:07:06,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:07:06,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:07:06,427 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:07:06,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:04" (3/4) ... [2021-10-28 09:07:06,436 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:07:06,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:07:06,438 INFO L168 Benchmark]: Toolchain (without parser) took 3186.73 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 67.3 MB in the beginning and 63.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:06,439 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 83.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:07:06,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.39 ms. Allocated memory is still 109.1 MB. Free memory was 67.1 MB in the beginning and 83.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:06,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.98 ms. Allocated memory is still 109.1 MB. Free memory was 83.0 MB in the beginning and 81.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:06,447 INFO L168 Benchmark]: Boogie Preprocessor took 28.83 ms. Allocated memory is still 109.1 MB. Free memory was 81.0 MB in the beginning and 79.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:07:06,447 INFO L168 Benchmark]: RCFGBuilder took 485.93 ms. Allocated memory is still 109.1 MB. Free memory was 79.7 MB in the beginning and 66.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:06,448 INFO L168 Benchmark]: BuchiAutomizer took 2291.15 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 65.9 MB in the beginning and 63.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:06,448 INFO L168 Benchmark]: Witness Printer took 9.47 ms. Allocated memory is still 136.3 MB. Free memory was 63.4 MB in the beginning and 63.4 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:07:06,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 83.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.39 ms. Allocated memory is still 109.1 MB. Free memory was 67.1 MB in the beginning and 83.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.98 ms. Allocated memory is still 109.1 MB. Free memory was 83.0 MB in the beginning and 81.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.83 ms. Allocated memory is still 109.1 MB. Free memory was 81.0 MB in the beginning and 79.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 485.93 ms. Allocated memory is still 109.1 MB. Free memory was 79.7 MB in the beginning and 66.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2291.15 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 65.9 MB in the beginning and 63.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. * Witness Printer took 9.47 ms. Allocated memory is still 136.3 MB. Free memory was 63.4 MB in the beginning and 63.4 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * cp + urilen and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 55 SDtfs, 108 SDslu, 35 SDs, 0 SdLazy, 96 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital28 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf96 smp69 dnf100 smp100 tf109 neg95 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:07:06,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:06,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8071b95-8223-43e4-8db9-1c66b939d957/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...